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Wire Strippers
Wire Strippers
15937

Quickly removes insulation without damaging wire. Set screw adjusts stripper to fit wire gauges from 10 to 24. Made from drop-forged, heat treated steel with black baked enamel finish. PVC handles. Total length is 4 inches.

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$3.96 Each $4.95 Each
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Thames and Kosmos Solar Thermal Lab Science Kit
Thames and Kosmos Solar Thermal Lab Science Kit
17013

• Build your own simple solar thermal updraft towers
• Collect the sun’s energy and use it to spin five colorful turbines
• Learn about thermal updrafts and solar thermal energy.

Solar thermal energy refers to the technology of collecting solar energy in the form of heat and making it useful, for example, by converting it into electricity or heating homes. Huge solar thermal towers are being installed in sunny places around the world to convert the sun's heat into electricity via turbines powered by hot air. With this kit, you can build your own simple solar thermal updraft towers to collect the sun's energy and use it to spin colorful turbines. Test the solar turbines in various configurations and compare the results from two different towers. Learn about thermal updrafts and solar thermal energy.

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$9.95 Each $14.95 Each
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Hand Generator Activity Book
Hand Generator Activity Book
12637

The manual contains detailed illustrations and explanations of 24 hands-on experiments that can be conducted using the GENECON and the GENECON Kit. Concepts covered range from circuit types to principles of electromagnetism. This is a must-have manual for every science curriculum.

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$7.95 Each $12.95 Each